Sal's Rice Balls (Arancini) Recipe

Ingredients

• 24 ounces canned plum tomatoes
• 1/4 cup extra-virgin olive oil
• 1 small onion, chopped
• 1 carrot, chopped
• 1 stalk celery, chopped
• 1/2 pound ground beef
• 1/2 pound ground pork
• 1/2 teaspoon kosher salt
• 1/4 teaspoon black pepper
• 12 ounces frozen peas
• 3 1/2 quarts chicken stock
• 1 stick (8 tablespoons) unsalted butter
• 1 tablespoon kosher salt
• 1/4 teaspoon saffron
• 1 pound arborio rice
• 8 ounces grated pecorino cheese
• Pinch of black pepper
• 1 pound plain breadcrumbs
• 6 ounces grated pecorino cheese
• 1/2 tablespoon kosher salt
• 4 large eggs, beaten
• 1 pound all-purpose flour
• 1 pound shredded mozzarella
• 1 gallon canola oil